A165836 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A165836

Totally multiplicative sequence with a(p) = 15.

1, 15, 15, 225, 15, 225, 15, 3375, 225, 225, 15, 3375, 15, 225, 225, 50625, 15, 3375, 15, 3375, 225, 225, 15, 50625, 225, 225, 3375, 3375, 15, 3375, 15, 759375, 225, 225, 225, 50625, 15, 225, 225, 50625, 15, 3375, 15, 3375, 3375, 225, 15, 759375, 225, 3375

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..10000

FORMULA

a(n) = A001024(A001222(n)) = 15^bigomega(n) = 15^A001222(n).

MATHEMATICA

15^PrimeOmega[Range[100]](* G. C. Greubel, Apr 09 2016 *)

CROSSREFS

Sequence in context: A219912 A240980 A134912 * A183827 A094836 A247388

Adjacent sequences: A165833 A165834 A165835 * A165837 A165838 A165839

KEYWORD

nonn,mult

AUTHOR

Jaroslav Krizek, Sep 28 2009

STATUS

approved